9/15/2009 04:58:00 PM
Journalist extraordinaire Alan Boyle posted this graphic to his Facebook profile. It was just too good not to pass on--and Alan was generous enough to allow me to pass it along here.
(Credit: Alan Boyle; and others as labelled)
Also, be sure to check out Alan's excellent write-up of tomorrow's Masten Space Systems flights in pursuit of the Northrop Grumman Lunar Lander Challenge Level One purse.
